<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }

        body,html{
            height: 100%;
            background-color: black;
        }

        .box{
            margin: 100px auto;
            width: 400px;
            height: 400px;
            border: 10px solid white;
            border-radius: 50%;
            box-shadow: 0 0 50px 7px yellow;
            overflow: hidden;
            position: relative;
            opacity: 0.7;
            transition: all 1s;
        }
        .bg1,.bg2{
            width: 400px;
            height: 400px;
            position: absolute;
            top: 0;
            left: 0;
            transition: all 1s;
        }
        .bg1{
            transform: rotate(45deg);
            background: url("https://img03.sogoucdn.com/app/a/100520093/dc72c3c04ef01fdf-22176402958c6b80-905bd70751b08a1c0359aa1f57932314.jpg") no-repeat center;
            background-size: cover;
        }
        .bg2{
            background: url("https://img03.sogoucdn.com/app/a/100520093/137f7d5bc12ad4fc-9bf5547e8cef1005-5e008c268f9a5d5a6d49eceb3d171b27.jpg") no-repeat center;
            background-size: cover;
            transform-origin: 0 0;
        }
        .box:hover .bg2{
            transform: rotateZ(90deg) scale(1.5);
        }
        .box:hover .bg1{
            transform: rotate(0deg) scale(1.5);
        }
        .box:hover{
            opacity: 1;
        }
    </style>
</head>
<body>

<div class="box">
    <div class="bg1"></div>
    <div class="bg2"></div>
</div>

</body>
</html>